Space and astronomy foundations

Your learning path

1. 01

   Reading the sky: rotation, seasons and phases

   Earth rotates, causing the apparent daily movement of the sky. An observation should record time, direction and location rather than assume all observers see the same view.

   Grades 6–9 · Notes · 8 questions
2. 02

   Solar-system structure and scale

   The Sun is a star at the centre of the planetary system. Planets, moons, small bodies, gas and dust form a gravitationally interacting system.

   Grades 5–9 · Notes · 8 questions
3. 03

   Light, spectra and astronomical evidence

   Radio, infrared, visible, ultraviolet, X-rays and gamma rays are electromagnetic radiation. Astronomy uses more than the light visible to human eyes.

   Grades 8–12 · Notes · 8 questions
4. 04

   Telescopes, resolution and observing data

   A telescope collects light over an aperture. In a simple unobstructed comparison, collected power scales with diameter squared.

   Grades 9–12 · Notes · 8 questions